Plate III, Figs A.16–A.21 – Type A (French and Swiss Alps). A.16, head and pronotum of nymph (Swiss Alps); A.17, markings on tergites of nymph (Gryonne valley); A.18, markings on tergites of nymph (Sense); A.19, markings on the femora of legs, dorsal view (Gryonne Valley); A.20, sclerotized apex of extracted aedeagus of an adult ♂ (Vercors); A.21, sclerotized apex of aedeagus of Perla grandis, from Aubert 1949: 225, his Fig. 4. in Steps towards a revision of the Perla bipunctata Pictet, 1833 species complex (Plecoptera: Perlidae)

Plate III, Figs A.16–A.21 – Type A (French and Swiss Alps). A.16, head and pronotum of nymph (Swiss Alps); A.17, markings on tergites of nymph (Gryonne valley); A.18, markings on tergites of nymph (Sense); A.19, markings on the femora of legs, dorsal view (Gryonne Valley); A.20, sclerotized apex of extracted aedeagus of an adult ♂ (Vercors); A.21, sclerotized apex of aedeagus of Perla grandis, from Aubert 1949: 225, his Fig. 4.